/*
 * Copyright 2020 Mamoe Technologies and contributors.
 *
 * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
 * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
 *
 * https://github.com/mamoe/mirai/blob/master/LICENSE
 */

package net.mamoe.mirai.internal.network.protocol.packet.login.wtlogin

import kotlinx.io.core.toByteArray
import net.mamoe.mirai.internal.network.QQAndroidClient
import net.mamoe.mirai.internal.network.guid
import net.mamoe.mirai.internal.network.protocol.packet.*
import net.mamoe.mirai.internal.network.protocol.packet.login.WtLogin
import net.mamoe.mirai.utils.md5

internal object WtLogin20 : WtLoginExt {
    operator fun invoke(
        client: QQAndroidClient,
        t402: ByteArray
    ): OutgoingPacket = WtLogin.Login.buildLoginOutgoingPacket(client, bodyType = 2) { sequenceId ->
        writeSsoPacket(client, client.subAppId, WtLogin.Login.commandName, sequenceId = sequenceId) {
            writeOicqRequestPacket(client, EncryptMethodECDH(client.ecdh), 0x0810) {
                writeShort(20) // subCommand
                writeShort(4) // count of TLVs, probably ignored by server?
                t8(2052)
                t104(client.t104)
                t116(client.miscBitMap, client.subSigMap)
                t401((client.device.guid + "stMNokHgxZUGhsYp".toByteArray() + t402).md5())
            }
        }
    }
}
